package com.systop.common.validator.anno;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author jsj
 * @date 2022/5/4
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        ConstraintValidator.super.initialize(constraintAnnotation);

        int[] vals = constraintAnnotation.vals();
        if(vals != null && vals.length !=0){
            for(int val : vals){
                set.add(val);
            }
        }
    }
    //判断是否校验成功
    /**
     * @param value     需要校验的值
     * @param context
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
